Lub blackboard yog tus cwj pwm ntawm cov chaw ua haujlwm ntawm tsev kawm. Tab sis hauv peb lub sijhawm, cov neeg tsim qauv muaj peev xwm qhia cov khoom no rau hauv tsev ib puag ncig. Ntxiv mus, nws tsis tas yuav yuav nws, koj tuaj yeem ua koj tus kheej thiab haum nws mus rau sab hauv nws thiaj li hais meej thiab ua kom tiav cov qauv ntawm chav. Xws li lub rooj tsavxwm yuav nkag los hauv lub tsev uas muaj cov menyuam kawm ntawv lossis cov menyuam yaus, tabsis nws yuav tsis ua rau cov neeg laus: koj tuaj yeem sau cov lus ntawm nws rau cov txheeb ze, ua kom nco lossis cia li kos duab.
Nws yog qhov tsim nyog
- puag ua los ntawm fiberboard, chipboard lossis plywood;
- xaum;
- kav;
- daim npog ntsej muag;
- xim xim dub;
- kooj tiab.
Cov Lus Qhia
Kauj ruam 1
Nrhiav lub hauv paus rau koj xaum. Qhov no yuav tsum muaj qhov ncaj loj thiab theem ntawm qhov chaw. Fiberboard, chipboard lossis plywood ua haujlwm zoo, tab sis lwm cov ntaub ntawv tiaj tiaj siv tau. Pom tawm tus duab plaub mus rau qhov loj me. Thiab yog tias koj muaj lub qub qub uas tsis tsim nyog ntawm phab ntsa los ntawm chaw dai khaub ncaws lossis lwm rooj tog, koj tuaj yeem siv nws nkaus.
Kauj ruam 2
Kos rau ntawm lub Rooj Tswjhwm Saib. Txheeb xyuas raws li qhov hais tias "ntsuas xya zaus, txiav ib zaug." Nws yog qhov tsim nyog los faib lub rooj tsavxwm mus ua ib qho loj thiab thav duab. Siv tus xaum ntawv thiab tus pas ntsuas, kos cov duab plaub nyob hauv plawv, muab ib lub thawv ntawm ib qhov dav ncig ntawm nws. Siv ntaub npog ntsej muag nyob ib ncig ntawm cov npoo kom thaj teb pom tom qab tha xim.
Kauj ruam 3
Xim lub rooj tsavxwm. Nitroenamel tau pom zoo, nws muaj cov xim nplua nuj, ua rau dej sai sai. Koj tuaj yeem siv lwm cov xim pleev xim rau dej, qhov tseem ceeb yog tias lawv muaj kev nyab xeeb rau kev noj qab haus huv thiab zoo. Xaiv cov xim dub lossis xim av rau qhov xaum xim zoo tshaj plaws. Nws tsis yooj yim pleev xim nrog chalk rau ntawm qhov chaw pleev xim du, yog li mus hla lub txiag ntoo nrog sandpaper thaum cov xim pleev xim kom qhuav.
Kauj ruam 4
Ua daim ntaub xaum xim tawm ntawm lub hauv paus lossis yas kaum. Tom qab kev kho dua tshiab, cov ntaub ntawv feem ntau nyob twj ywm uas tuaj yeem siv rau lub hom phiaj no. Saib rau tej yam zoo sib xws lossis yuav khoom hauv khw.
Kauj ruam 5
Txuas lub rooj tsavxwm hauv qhov chaw xav tau. Yog tias koj ua nws rau tus menyuam, dai nws kom nws xis nyob rau nws sau. Kev daws teeb meem hnyav txaus los ua chalkboard yog siv cov rooj tog zaum lossis phab ntsa hauv tsev rau nws. Piv txwv, pleev xim koj lub txee dai khaub ncaws phab ntsa, qhov rooj, tub yees lossis chav ua noj. Qhov no yuav muab qhov ua sab hauv sab nraud thiab ua rau txawv txav.
Kauj Ruam 6
Txhawm rau khaws cov ntoo ua tiav rau ib lub sijhawm ntev, saib xyuas kom zoo: ntxuav nws tsis tu ncua, so nws nrog ib daim ntaub lossis daim txhuam cev nrog dej txias. Yaug lub xab npum kom zoo yog tias me nyuam siv lub rooj.
